mirror of
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28 lines
510 B
Go
28 lines
510 B
Go
package option
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import "encoding/json"
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type Listable[T comparable] []T
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func (l *Listable[T]) MarshalJSON() ([]byte, error) {
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arrayList := []T(*l)
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if len(arrayList) == 1 {
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return json.Marshal(arrayList[0])
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}
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return json.Marshal(arrayList)
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}
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func (l *Listable[T]) UnmarshalJSON(bytes []byte) error {
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err := json.Unmarshal(bytes, (*[]T)(l))
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if err == nil {
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return nil
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}
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var singleItem T
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err = json.Unmarshal(bytes, &singleItem)
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if err != nil {
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return err
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}
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*l = []T{singleItem}
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return nil
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}
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